Tank cover



FIG. 1 is a front elevational view of the tank cover of the invention, the rear elevational view being identical thereto;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a perspective view shown in use.

The broken line showing of a scuba diving tank in FIG. 6 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a tank cover, as shown and described. 